'Friendliness' definitions:

Definition of 'friendliness'

From: WordNet
noun
A feeling of liking for another person; enjoyment in their company [ant: unfriendliness]
noun
A friendly disposition [ant: unfriendliness]

Definition of 'Friendliness'

From: GCIDE
  • Friendliness \Friend"li*ness\, n. The condition or quality of being friendly. --Sir P. Sidney. [1913 Webster]